Fulford, Colorado has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -4 °C (low) to 9.9 °C (high). Annual precipitation averages 750.3 Millimeters. Fulford is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Jul. 1 - Jul. 10 through the first frost around Aug. 1 - Aug. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -13.4 °C | -0.6 °C | 77.22 mm |
| February | -13 °C | 0.2 °C | 72.64 mm |
| March | -9.7 °C | 4.4 °C | 76.96 mm |
| April | -6.2 °C | 7.9 °C | 88.9 mm |
| May | -1.2 °C | 13 °C | 61.21 mm |
| June | 3.8 °C | 19.2 °C | 28.45 mm |
| July | 7.1 °C | 22.4 °C | 49.78 mm |
| August | 6.4 °C | 21.3 °C | 47.5 mm |
| September | 2.8 °C | 17.3 °C | 50.55 mm |
| October | -2.9 °C | 10.7 °C | 58.17 mm |
| November | -8.8 °C | 3.9 °C | 70.87 mm |
| December | -13.3 °C | -1.2 °C | 68.07 mm |
| Annual | -4 °C | 9.9 °C | 750.32 mm |
| Average First Frost Date | Aug. 1 - Aug. 10 |
| Average Last Frost Date | Jul. 1 - Jul. 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Exceptional Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |